From Longman Dictionary of Contemporary EnglishEsperantoEs‧pe‧ran‧to /ˌespəˈræntəʊ $ -ˈrɑːntoʊ/ noun [uncountable] SLLan artificial language invented in 1887 to help people from different countries in the world speak to each other
Examples from the Corpus
Esperanto• It is a member of a class known as classical nouns. Esperanto See under language: artificial language.Origin Esperanto (1800-1900) Dr Esperanto (from Latin sperare “to hope”), name taken by Ludwik Zamenhof, who invented the language 